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Table Of Decibels

A Table Of Decibels

The following table is adapted from "The Radiotron Designers Handbook":

Voltage Or
Current Ratio		 Power Ratio
(=mW to reference level 1mW)		 db Voltage Or
Current Ratio		 Power Ratio
(=mW to reference level 1mW)
1.0000 1.0000 0.0 1.000 1.000
0.9886 0.9772 0.1 1.012 1.023
0.9772 0.9550 0.2 1.023 1.047
0.9661 0.9333 0.3 1.035 1.072
0.9550 0.9120 0.4 1.047 1.096
0.9441 0.8913 0.5 1.059 1.122
0.9333 0.8710 0.6 1.072 1.148
0.9120 0.8318 0.8 1.096 1.202
0.8913 0.7943 1.0 1.122 1.259
0.8414 0.7079 1.5 1.189 1.413
0.7943 0.6310 2.0 1.259 1.585
0.7499 0.5623 2.5 1.334 1.778
0.7079 0.5012 3 1.413 1.995
0.6310 0.3981 4 1.585 2.512
0.5623 0.3162 5 1.778 3.162
0.5012 0.2512 6 1.995 3.981
0.4467 0.1995 7 2.239 5.012
0.3981 0.1585 8 2.512 6.310
0.3548 0.1259 9 2.818 7.943
0.3162 0.1000 10 3.162 10.000
0.2818 0.07943 11 3.548 12.59
0.2512 0.06310 12 3.981 15.85
0.2239 0.05012 13 4.467 19.95
0.1995 0.03981 14 5.012 25.12
0.1778 0.03162 15 5.623 31.62
0.1585 0.02512 16 6.310 39.81
0.1413 0.01995 17 7.079 50.12
0.1259 0.01585 18 7.943 63.10
0.1122 0.01259 19 8.913 79.43
0.1000 0.01000 20 10.000 100.00
0.08913 0.007943 21 11.22 125.9
0.07943 0.006310 22 12.59 158.5
0.07079 0.005012 23 14.13 199.5
0.06310 0.003981 24 15.85 251.2
0.05623 0.003162 25 17.78 316.2
0.05012 0.002512 26 19.95 398.1
0.04467 0.001995 27 22.39 501.2
0.03981 0.001585 28 25.12 631.0
0.03548 0.001259 29 28.18 794.3
0.03162 0.001000 30 31.62 1000
0.02818 7.943E-04 31 35.48 1259
0.02512 6.310E-04 32 39.81 1585
0.02239 5.012E-04 33 44.67 1995
0.01995 3.981E-04 34 50.12 2512
0.01778 3.162E-04 35 56.23 3162
0.01585 2.512E-04 36 63.10 3981
0.01413 1.995E-04 37 70.79 5012
0.01259 1.585E-04 38 79.43 6310
0.01122 1.259E-04 39 89.13 7943
0.010000 1.000E-04 40 100.0 10000
0.008913 7.943E-05 41 112.2 12589
0.007943 6.310E-05 42 125.9 15849
0.007079 5.012E-05 43 141.3 19953
0.006310 3.981E-05 44 158.5 25119
0.005623 3.162E-05 45 177.8 31623
0.005012 2.512E-05 46 199.5 39811
0.004467 1.995E-05 47 223.9 50119
0.003981 1.585E-05 48 251.2 63096
0.003548 1.259E-05 49 281.8 79433
0.003162 1.000E-05 50 316.2 100000
0.002818 7.943E-06 51 354.8 125893
0.002512 6.310E-06 52 398.1 158489
0.002239 5.012E-06 53 446.7 199526
0.001995 3.981E-06 54 501.2 251189
0.001778 3.162E-06 55 562.3 316228
0.001585 2.512E-06 56 631.0 398107
0.001413 1.995E-06 57 707.9 501187
0.001259 1.585E-06 58 794.3 630957
0.001122 1.259E-06 59 891.3 794328
0.001000 1.000E-06 60 1000 1000000
8.91E-04 7.943E-07 61 1122 1.259E+06
7.94E-04 6.310E-07 62 1259 1.585E+06
7.08E-04 5.012E-07 63 1413 1.995E+06
6.31E-04 3.981E-07 64 1585 2.512E+06
5.62E-04 3.162E-07 65 1778 3.162E+06
5.01E-04 2.512E-07 66 1995 3.981E+06
4.47E-04 1.995E-07 67 2239 5.012E+06
3.98E-04 1.585E-07 68 2512 6.310E+06
3.55E-04 1.259E-07 69 2818 7.943E+06
3.16E-04 1.000E-07 70 3162 1.000E+07
2.82E-04 7.943E-08 71 3548 1.259E+07
2.51E-04 6.310E-08 72 3981 1.585E+07
2.24E-04 5.012E-08 73 4467 1.995E+07
2.00E-04 3.981E-08 74 5012 2.512E+07
1.78E-04 3.162E-08 75 5623 3.162E+07
1.58E-04 2.512E-08 76 6310 3.981E+07
1.41E-04 1.995E-08 77 7079 5.012E+07
1.26E-04 1.585E-08 78 7943 6.310E+07
1.12E-04 1.259E-08 79 8913 7.943E+07
1.00E-04 1.000E-08 80 10000 1.000E+08
8.91E-05 7.943E-09 81 11220 1.259E+08
7.94E-05 6.310E-09 82 12589 1.585E+08
7.08E-05 5.012E-09 83 14125 1.995E+08
6.31E-05 3.981E-09 84 15849 2.512E+08
5.62E-05 3.162E-09 85 17783 3.162E+08
5.01E-05 2.512E-09 86 19953 3.981E+08
4.47E-05 1.995E-09 87 22387 5.012E+08
3.98E-05 1.585E-09 88 25119 6.310E+08
3.55E-05 1.259E-09 89 28184 7.943E+08
3.16E-05 1.000E-09 90 31623 1.000E+09
2.82E-05 7.943E-10 91 35481 1.259E+09
2.51E-05 6.310E-10 92 39811 1.585E+09
2.24E-05 5.012E-10 93 44668 1.995E+09
2.00E-05 3.981E-10 94 50119 2.512E+09
1.78E-05 3.162E-10 95 56234 3.162E+09
1.58E-05 2.512E-10 96 63096 3.981E+09
1.41E-05 1.995E-10 97 70795 5.012E+09
1.26E-05 1.585E-10 98 79433 6.310E+09
1.12E-05 1.259E-10 99 89125 7.943E+09
1.00E-05 1.000E-10 100 100000 1.000E+10